Smartphone Tips

Oppo A91 with 48-megapixel quad-camera, FHD+ AMOLED display


Oppo A91 smartphone was launched on 20th December 2019. The phone comes with a 6.40-inch touchscreen display with a resolution of 1080×2400 pixels with 90.7 percent screen-to-body ratio. It comes equipped with Corning Gorilla Glass protection.Oppo A91

The smartphone sensors measure physical quantities and transmit them to the application processor. The phones’s accelerometer is a built-in electronic component that measures tilt and motion. A fingerprint sensor is one of the easiest and most secure ways to protect your smartphone. The proximity sensor detects when a user is holding the phone near their face during a call and turns off the display to prevent keypad presses and battery consumption from the display. The A91 has Dual SIM capability, which means that you can insert two different SIM cards and use them both from one phone.

The smartphone is powered by an octa-core processor paired with 8GB of RAM. It comes with 128GB of internal storage. It offers an in-display fingerprint sensor that is claimed to unlock the phone within 0.32 seconds.

The Oppo A91 runs Android 9 and is powered by a 4000mAh non-removable battery. Fast battery charging 30W: 67% in 30 min (VOOC Flash Charge 4.0).

As far as the cameras are concerned, Oppo A91 is speculated to boast of dual primary camera of 48 + 8 + 2 megapixel and 16 megapixel front Camera. It will support high dynamic range(HDR) imaging. The rear camera setup has autofocus. It sports a camera on the front for selfies.

The Oppo A91 runs ColorOS based on Android 9 out of the box, but the A91’s firmware can be upgraded to a newer version of OS and packs 128GB of inbuilt storage.

READ ALSO: Oppo Reno 10X Zoom FC Barcelona Edition – Here is the Special Edition

Connectivity options on the Oppo A91 include Wi-Fi 802.11 a/b/g/n and GPS with active 4G on both SIM cards. Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, proximity sensor, and fingerprint sensor.

It was launched in Black, Blue, and Red colours. It comes with a price tag of roughly $285.

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Oppo A91 Full Specifications

Brand Oppo
Model A91
Release date 20th December 2019
Form factor Touchscreen
Battery capacity (mAh) 4000
Removable battery No
Fast charging VOOC
Colours Black, Blue, Red
Screen size (inches) 6.40
Touchscreen Yes
Resolution 1080×2400 pixels
Protection type Gorilla Glass
Processor octa-core
Internal storage 128GB
Rear camera 48-megapixel + 8-megapixel
Rear autofocus Yes
Rear flash Yes
Front camera Yes
Front flash No
Operating system Android 9
Skin ColorOS
Wi-Fi Yes
Wi-Fi standards supported 802.11 a/b/g/n
Bluetooth Yes
Active 4G on both SIM cards Yes
Fingerprint sensor Yes
Compass/ Magnetometer Yes
Proximity sensor Yes
Accelerometer Yes
Ambient light sensor Yes

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